EKG Questions and Answers with
Verified Solutions
The SA node has an inherent rate of __-__bpm. ✔✔60-100
The AV node has an inherent rate of __-__bpm. ✔✔40-60
The perkinje fibers in the ventricles have an inherent rate of __-__bpm. ✔✔20-40
The "ready" or "resting" state. ✔✔polarization
The "firing" state or contraction. ✔✔depolarization
The return to "rest". ✔✔repolarization
The transportation of K, Na, and Ca into/out of the cardiac cell result in _____ formation.
✔✔Impulse
, To determine the rate of a regular EKG strip, you can divide ___ by the number of large boxes or
divide ___ by the number of small boxes. ✔✔300, 1500
To determine an approximate rate for an irregular EKG strip, count the number of QRS or P
complexes in a ___ second strip and multiply by ___. ✔✔6, 10
The ___ ___ represents atrial contraction on an EKG strip. ✔✔P wave
The ___ ___ ___ represents the time taken for the inpulse to travel from the SA to AV node.
Ideally 0.12-0.20 seconds. ✔✔PR Interval
The ___ complex represents ventricular contraction. ✔✔QRS
The ___ segment represents the time between ventricular contraction and repolarization; this is
when the ventricles completely empty. Ideally is <0.12 seconds. ✔✔ST
The ___ ___represents ventricular repolarization. ✔✔T wave
Verified Solutions
The SA node has an inherent rate of __-__bpm. ✔✔60-100
The AV node has an inherent rate of __-__bpm. ✔✔40-60
The perkinje fibers in the ventricles have an inherent rate of __-__bpm. ✔✔20-40
The "ready" or "resting" state. ✔✔polarization
The "firing" state or contraction. ✔✔depolarization
The return to "rest". ✔✔repolarization
The transportation of K, Na, and Ca into/out of the cardiac cell result in _____ formation.
✔✔Impulse
, To determine the rate of a regular EKG strip, you can divide ___ by the number of large boxes or
divide ___ by the number of small boxes. ✔✔300, 1500
To determine an approximate rate for an irregular EKG strip, count the number of QRS or P
complexes in a ___ second strip and multiply by ___. ✔✔6, 10
The ___ ___ represents atrial contraction on an EKG strip. ✔✔P wave
The ___ ___ ___ represents the time taken for the inpulse to travel from the SA to AV node.
Ideally 0.12-0.20 seconds. ✔✔PR Interval
The ___ complex represents ventricular contraction. ✔✔QRS
The ___ segment represents the time between ventricular contraction and repolarization; this is
when the ventricles completely empty. Ideally is <0.12 seconds. ✔✔ST
The ___ ___represents ventricular repolarization. ✔✔T wave
